import classNames from 'classnames'
import React, { Component, createRef } from 'react'
import '../css/index.css'

export default class Comment extends Component {
  state = {
    // 当前用户
    user: {
      name: '清风徐来',
      vip: true,
      avatar: 'https://static.youku.com/lvip/img/avatar/310/6.png',
    },
    // 评论列表
    comments: [
      {
        id: 100,
        name: '__RichMan',
        avatar: 'https://r1.ykimg.com/051000005BB36AF28B6EE4050F0E3BA6',
        content:
          '这阵容我喜欢😍靳东&闫妮，就这俩名字，我就知道是良心剧集...锁了🔒',
        time: '2021/10/12 10:10:23',
        vip: true,
        collect: false,
      },
      {
        id: 101,
        name: '糖蜜甜筒颖',
        avatar:
          'https://image.9xsecndns.cn/image/uicon/712b2bbec5b58d6066aff202c9402abc3370674052733b.jpg',
        content:
          '突围神仙阵容 人民的名义第三部来了 靳东陈晓闫妮秦岚等众多优秀演员实力派 守护人民的财产 再现国家企业发展历程',
        time: '2021/09/23 15:12:44',
        vip: false,
        collect: true,
      },
      {
        id: 102,
        name: '清风徐来',
        avatar: 'https://static.youku.com/lvip/img/avatar/310/6.png',
        content:
          '第一集看的有点费力，投入不了，闫妮不太适合啊，职场的人哪有那么多表情，一点职场的感觉都没有',
        time: '2021/07/01 00:30:51',
        vip: true,
        collect: false,
      },
    ],
    content: '',
  }
  changeContent = (e) => {
    const { comments, content } = this.state
    const { value } = e.target
    if (value.length > 100) return
    this.setState({
      content: value,
    })
  }
  sendContent = (e) => {
    const { comments, user, content } = this.state
    const flag = comments.every((item) => item.content !== content)
    if (content.length) {
      if (flag) {
        this.setState({
          comments: [
            {
              id: Math.random(),
              ...user,
              time: new Date().toLocaleString(),
              content,
              collect: false,
            },
            ...comments,
          ],
        })
      } else {
        this.state.content = ''
        alert('请不要输入重复内容')
      }
    } else {
      alert('请输入内容')
    }
    this.state.content = ''
  }
  delComments = (id) => {
    const { comments } = this.state
    this.setState({
      comments: this.state.comments.filter((item) => item.id !== id),
    })
  }
  collectComments = (id) => {
    const { comments } = this.state
    this.setState({
      comments: comments.map((item) => {
        if (item.id === id) {
          return { ...item, collect: !item.collect }
        } else {
          return item
        }
      }),
    })
  }
  commentRef = createRef()

  render() {
    const { comments, user, content } = this.state
    return (
      <div className="comments">
        <h3 className="comm-head">评论</h3>
        <div className="comm-input">
          <textarea
            value={content}
            onChange={this.changeContent}
            placeholder="爱发评论的人，运气都很棒"
          ></textarea>
          <div className="foot">
            <div className="word">{content.length}/100</div>
            <div className="btn" onClick={this.sendContent}>
              发表评论
            </div>
          </div>
        </div>
        <h3 className="comm-head">
          热门评论<sub>(5)</sub>
        </h3>
        <ul className="comm-list">
          {comments.map((item) => (
            <li className="comm-item" key={item.id} ref={this.commentRef}>
              <div className="avatar">
                <img src={item.avatar} alt="" className="avatar" />
              </div>
              <div className="info">
                <p className={classNames('name', { vip: item.vip })}>
                  {item.name}
                  <img
                    alt=""
                    src={
                      item.vip
                        ? 'https://gw.alicdn.com/tfs/TB1c5JFbGSs3KVjSZPiXXcsiVXa-48-48.png'
                        : ''
                    }
                  />
                  <span
                    className={`iconfont icon-collect${
                      item.collect ? '-sel' : ''
                    }`}
                    onClick={() => {
                      this.collectComments(item.id)
                    }}
                  ></span>
                </p>
                <p className="time">
                  {item.time}
                  {item.name === user.name ? (
                    <span
                      className="del"
                      onClick={() => {
                        this.delComments(item.id)
                      }}
                    >
                      删除
                    </span>
                  ) : null}
                </p>
                <p>{item.content}</p>
              </div>
            </li>
          ))}
        </ul>
      </div>
    )
  }
}
